Apple has been on a roll this year in terms of acquisitions. According to Apple CEO Tim Cook, the Cupertino firm acquired 15 companies this year, but only ten have been revealed. That list includes mapping companies such as Embark, chip makers like Passif, search specialists such as Cue and Topsy, and hardware companies such as PrimeSense. Because only 10 of the 15 Apple acquisitions of 2013 have been revealed, we have been digging and asking around to find the few remaining Apple pickups. Based on evidence and chatter from sources, Apple seemingly acquired mapping firm BroadMap in the first half of this year and Evernote-competitor Catch within the last few months…